I think all the exotic synthetics, i.e. Group IV is a mix of Ester and Polyalphaolefins (PAO), some have more than one of the other and thus just get called what the largest volume active ingredient. i.e. Red Line is Poly Ester (PEO) and AMSOIL is PAO, but I think both have a mix of the different kinds of Grp IV oils.
BTW, its the same with brake pads, they all have a mix of the same ingredients for the most part, its just Metallic Pads have more iron and copper ingredients than the others, Ceramic pads have more ceramic ingredients than the other, etc. there is still a lot of things in the mixture other than what its named.
I have seen more than a few forum posts on more than a few different forums about folks using Red Line C+ and AMSOIL MV ATF in Chrysler Mini-Van 4spd electronic transaxle, stating it worked great they had no problems and the trans was still working good at twice the miles that they usually fail on these vehicles.
I haven't used Redline C+ for transmissions, I have used Redline Power Steering fluid and it was great (and specifically meets or exceeds the PS spec for those vehicles). (in other cars, NOT my Commander that requires a Hybrid PS/Hydraulic Fluid MS-10838 only available from the Dealer).
Royal Purple and Mobil1 also have a great rep, but I just don't know if their products do well in replace of ATF+4, I personally would NOT risk it.
Again, be careful of Manufacturer Claims, they are often bogus, even deceptive.
Redline C+ and AMSOIL MV ATF claim to meet and exceed the specs for ATF+4, if that is true, then it would be a snap to have it licensed by Chrysler and they could sell bottle labeled ATF+4 instead of putting on the fine print in the back "it meets ATF+4 specs".
What Redline and AMSOIL MV ATF is really saying, this is a superior fluid, using superior ingredients it exceeds all the specs that really count for ATF+4. Its BS that we can't call it ATF+4 because one or two numbers that don't make any difference or just a little off the spec.
I have yet to see a post or account that would counter that claim from Redline or AMSOIL, but I have seen plenty supporting their claims.
Now the rest of the fluids and brands out there, be very, very careful.
PS fluid, I have seen bottles of generic PS fluid being sold, stating on the back of the bottle, it meets Chrysler's Spec for PS fluid. I think to myself, umm, yea, but which one. Sure enough, after a little research this PS fluid only meets a Chrysler spec from the 70's, it is the wrong fluid for most of the Chrysler vehicles on the road. Read it carefully, your owners manual will list the fluids you need and will say the spec you need for the fluid. If the fluid does NOT state it meets spec MS-XXXX, then assume it does NOT.
Chrysler Engine Oil Spec MS-3593 (might have the number wrong) is no different than their previous or other engine oil specs, except they added a 2 year, multi-season trial to the spec. So the oil brands have to jump through these hoops, that costs them money and time, in hopes of putting the spec on the bottle labeling a couple years down the road. That is why you see some of the best oil out their for your vehicle, won't technically meet Chrysler's specs.
Again, if you're in warranty, don't use fluids that don't specifically state it meets the specific Chrysler spec for the fluid that is in your owners manual, and keep receipts and records. You will have your warranty denied for related issues if you used the wrong fluid according to your Owners Manual (doesn't matter if it bogus or NOT, that's the rules, you have to follow them if don't want your warranty denied).
I have used Mobil1 5W-20 Synthetic in my Commander since I first got it, I installed an oil pressure gauge, at 141k miles, my engine is making the same oil pressure it did when I bought the vehicle at 17k miles and 6 years ago, the inside of the engine is clean as an engine with 25k miles. But, Mobil1 advanced synthetic still doesn't meet Chryslers latest engine oil spec because of a bogus thing they added to the spec.
Anti-Freeze, Prestone and Others have been sued and lost in court about the claims on their bottles of anti-freeze, the courts have found they can NOT claim their anti-freeze meets Manufacturers specs. Yet Prestone and the others continue to put the deceptive labeling on their jugs of anti-freeze. Prestone is selling DexCool dyed yellow, deceptively implying it is a universal anti-freeze. Company's are selling OAT, even the DexCool OAT version, Polypropylene and even HOAT anti-freezes and never identifying what exactly they are on the jugs, they claim they are for you vehicle, meets the manufacturer specs, but the manufacturer specifically says it does NOT. You're NOT suppose to mix these anit-freezes, but they claim you can, but the car makers claim you can't, so its a real mess.
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Last edited by Mongo; 04-14-2016 at 09:39 AM.